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65 results for “anthropogenic noise”
Anthropogenic noise disrupts mate choice behaviors in female Gryllus bimaculatus
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Data for: Little parental response to anthropogenic noise in an urban songbird, but evidence for individual differences in sensitivity
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Data from: Acoustic risk balancing by marine mammals: anthropogenic noise can influence the foraging decisions by seals
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Data from: First indications that northern bottlenose whales are sensitive to behavioural disturbance from anthropogenic noise
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Anthropogenic light and noise affect the life histories of female Gryllus veletis field crickets
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Data from: Anthropogenic noise reduces male reproductive investment in an acoustically signaling insect
<p>Rapidly changing environments impose novel selection pressures on organisms, and sometimes adaptive phenotypic plasticity allows organisms to survive and reproduce in the face of environmental change. However, plastic responses can also be maladaptive. In this study, we investigate whether male reproductive investment responds plastically to varied experience with traffic noise. We exposed male crickets chronically to one of three noise treatments from the 2<sup>nd</sup>-3<sup>rd</sup>instar until their natural death: masking traffic noise (including noise that overlaps in frequency with the male crickets' mating calls), non-masking traffic noise (an identical traffic noise track from which we digitally removed the frequencies that mask the crickets' mating call), and silence. We dissected and weighed their testes and spermatophore molds. Controlling for body mass, we found that the spermatophore molds of crickets reared in masking and non-masking noise were 29% and 24% lighter, respectively, than those of crickets reared in silence There were no differences in body mass adjusted testes mass among treatments. If spermatophore mold mass is positively associated with male reproductive output, this reduction in size could have negative fitness consequences for animals exposed to traffic noise. We encourage future work to investigate impacts of noise on reproductive investment in other study systems that are likely sensitive to anthropogenic noise (e.g., birds, frogs, singing insects).</p>
Data from: Anthropogenic noise disrupts mate searching in Gryllus bimaculatus
Many animals use acoustic communication as a means of sending important biological information, such as their location, to potential receivers. However, anthropogenic noise is known to affect the ability of some species to either produce or receive signals, which may influence their reproductive success. In this study, we investigate the effect of anthropogenic noise on the mate searching behaviors of the field cricket Gryllus bimaculatus. To accomplish this, phonotaxis trials were conducted with female field crickets under different acoustic conditions, and their ability to detect and move towards conspecific male calls was assessed. The presence of traffic noise reduced the likelihood that the female would approach the male calls and also reduced the time that the female spent attending to the calling stimulus before making her decision. However, the presence of white noise did not reduce the likelihood of approaching the calling speaker, indicating that the average amplitude of anthropogenic noise is, alone, not important in this conflict, but frequency and fluctuations in the stimulus or other characteristic might be. This study supports the hypothesis that anthropogenic noise does indeed influence the detectability of acoustic mate location signals, thus disrupting mate searching behavior.
Data from: Experience modulates an insect's response to anthropogenic noise
In response to anthropogenic noise, vertebrates express modified acoustic communication signals either through individual plasticity or local population adaptation. In contrast, how insects respond to this stressor is poorly studied. Field crickets Gryllus bimaculatus use acoustic signals to attract and locate mates and are commonly found in noisy roadside environments, offering a powerful system to study the effects of anthropogenic noise on insect communication. Rapid repetition of sexual calls (chirps) is essential to attract females, but calling incurs energetic costs and attracts predators. As a result, males are predicted to reduce calling rates when background noise is high. Here, we combine observations and experimental playbacks to show that the responses of Field cricket males to anthropogenic noise also depend on their previous experience with passing cars. First, we show that males living on highway edges decrease their chirp rate in response to passing cars. To assess whether this behavioural response depends on previous exposure to car noise, we then broadcast recordings of car noise to males located at different distances from the road and, therefore, with different previous exposure to car noise. Although all tested individuals responded to broadcasted traffic noise, males closest to the road decreased their chirp rate less than individuals calling further from the road. These results suggest that regular exposure to anthropogenic noise may decrease individuals' sensitivity and behavioural responses to noise, allowing them to maintain effective signalling rates. Behavioural plasticity modulated by experience may thus allow some insect species to cope with human-induced environmental stressors.
Datasets and R source code of manuscript "Adding insult to injury: anthropogenic noise intensifies predation risk by an invasive freshwater fish species" by Fernandez Declerck et al.
<p>Datasets and R source code of manuscript "Adding insult to injury: anthropogenic noise intensifies predation risk by an invasive freshwater fish species" by Fernandez Declerck et al. (submitted)</p> <p> Project<br> ├── README<br> ├── data_functional_response.txt<br> ├── data_prey_behaviour.txt<br> ├── R_script.R<br> └── BINV-D-22-00447_Playback.wav</p> <p>Main dataset: 'data_functional_response.txt'. Dataset for the functional response of the predator. Fish behaviour was recorded under two noise conditions (either boat noise or ambient noise). The dataset corresponds to data frame "d" in the script. Variables description:<br> - id: identity of the fish<br> - condition: noise condition, either "boat noise" or "ambient noise"<br> - prey_number: number of chironomid larvae introduced in the tank<br> - prey_captured : number of chironomid larvae consumed<br> - fish_mass : fish body mass (g)<br> - swim_distance: swim distance (m)</p> <p>Secondary dataset: 'data_prey_behaviour.txt'. Dataset for control experiment on prey behaviour. Prey behaviour was recorded under two noise conditions (either boat noise or ambient noise). The dataset corresponds to data frame "f" in the script. We used 20 replicates with 10 replicates for ambient noise condition, and 10 replicates for boat noise condition. Two focal prey larva were observed per replicates. Each prey larva was observed during two time periods (corresponding to two noise sequences). Variables description:<br> - condition: noise condition, either "boat noise" or "ambient noise"<br> - replicate: number of the replicate<br> - unique_id: identity of each focal larva<br> - noise_sequence: number of the noise sequence (either second or third)<br> - prop_inactive: proportion of time spent inactive by the focal larva<br> - prop_active: proportion of time spent active by the focal larva</p> <p>R source code 'code R_script.R'. Complete analysis as one single R script. See comments for additional information.</p> <p>The last file `BINV-D-22-00447_Playback.wav` is an audio file (Waveform Audio File Format). It is the soundtrack used in the playback experiments.</p>
Data from: Developmental experience with anthropogenic noise hinders adult mate location in an acoustically signaling invertebrate
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Data from: Experience modulates an insect’s response to anthropogenic noise
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Data from: Finding a home in the noise: cross-modal impact of anthropogenic vibration on animal search behaviour
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Data from: Effects of experimental anthropogenic noise on avian settlement patterns and reproductive success
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Data from: Anthropogenic noise disrupts mate searching in Gryllus bimaculatus
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Data from: Anthropogenic noise affects behavior across sensory modalities
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Anthropogenic noise impairs foraging for cryptic prey via cross-sensory interference
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Data from: Anthropogenic noise reduces male reproductive investment in an acoustically signaling insect
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Annoying noise: effect of anthropogenic underwater noise on the movement and feeding performance in the red cherry shrimp, Neocaridina davidi
<p><strong>Supplementary material and statistical analysis</strong></p>
Movies of Oikopleura dioica behaving (1st part of an anthropogenic noise exposure dataset)
<div> </div> <div> <p>These are movies of Oikopleura dioica which have been video recorded in the Ciona Tracker 2.0 video acquisition setup. Oikopleura dioica adults were exposed to anthropogenic noise (Level 10 on our amplifier settings). </p> </div>
Movies of Oikopleura dioica behaving (2nd part of an anthropogenic noise exposure dataset)
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Allen Brain Atlas
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.